package com.itheima.io;

import java.io.FileOutputStream;
import java.io.IOException;

public class IODemo03 {
    public static void main(String[] args) throws IOException {
        FileOutputStream fos = new FileOutputStream("day11_IO\\a.txt",true);

        String s = "\r\n今年25岁了";
        byte[] bytes = s.getBytes();
        fos.write(bytes);
        fos.close();
    }
}
